"use strict";

// Layer: entity-runtime/tarinai/update-system
// Owns pointer proximity care and cursor-heart effects.
(function (global) {
  function updateBody(dt) {
    const pointer = this.world?.pointer;
    if (!pointer?.inside || !this.isAwakeCursorFriendly()) return;
    const d = distXY(this.x, this.y, pointer.x, pointer.y);
    const touch = this.radius * 1.35;
    if (d > touch) return;
    const p = clamp(1 - d / touch, 0, 1);
    const relief = dt * (1.35 + 2.65 * p);
    applyNeedRelief(this, { safety: -relief * 1.2, fulfill: -relief * 1.6 });
    this.adjustPersonality("openness", dt * 0.006 * (0.4 + p), "after being petted.");
    this.moodLiftTimer = Math.max(this.moodLiftTimer || 0, 0.5);
    this.cursorPetting = clamp((this.cursorPetting || 0) + dt * (1.0 + p * 2.4), 0, 1.75);
    this.goodMode = "smile";
    if ((this.world.time || 0) >= (this.nextCursorHeartAt || 0)) {
      this.nextCursorHeartAt = (this.world.time || 0) + Math.max(0.08, 0.22 - p * 0.10);
      for (let i = 0; i < (p > 0.62 ? 3 : 2); i++) {
        this.world.effects?.push(new Effect("heart", this.x + rand(-this.radius * 0.58, this.radius * 0.58), this.y - this.radius * rand(0.68, 1.58), {
          vx: rand(-16, 16), vy: rand(-44, -20), size: rand(7, 13) * (0.8 + p * 0.45), life: rand(0.62, 0.95), color: "rgba(240,91,135,0.92)"
        }));
      }
    }
  
  }

  function updateOne(tarinai, dt) {
    if (!tarinai || tarinai.dead) return false;
    updateBody.call(tarinai, dt);
    return true;
  }

  global.TarinaiCursorCareSystem = Object.freeze({
    updateOne,
  });
})(typeof window !== "undefined" ? window : globalThis);